Home / 1,780,783.72-2,457,040.74-1,055,801.32

Finding the Fourth Proportional to 1,780,783.72, 2,457,040.74 and 1,055,801.32

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Solution

The fourth proportional to 1,780,783.72, 2,457,040.74 and 1,055,801.32 is: 1,456,744.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,783.72 : 2,457,040.74 = 1,055,801.32 : x
  2. Step 2: Convert to fraction form
    1,780,783.72/2,457,040.74 = 1,055,801.32/x
  3. Step 3: Cross multiply
    1,780,783.72x = 2,457,040.74 × 1,055,801.32
  4. Step 4: Simplify right side
    1,780,783.72x = 2,594,146,856,585.78
  5. Step 5: Solve for x
    x = 2,594,146,856,585.78/1,780,783.72
  6. Step 6: Final answer
    x = 1,456,744.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.